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4 | /*
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5 | -----------------------------------------------------------------------------
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6 | This source file is part of OGRE
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7 | (Object-oriented Graphics Rendering Engine)
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8 | For the latest info, see http://www.ogre3d.org/
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9 |
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10 | Copyright (c) 2000-2005 The OGRE Team
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11 | Also see acknowledgements in Readme.html
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12 |
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13 | You may use this sample code for anything you like, it is not covered by the
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14 | LGPL like the rest of the engine.
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15 | -----------------------------------------------------------------------------
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16 | */
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17 |
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18 | /**
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19 | \file
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20 | Lighting.h
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21 | \brief
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22 | Shows lighting support in OGRE. Also demonstrates the use of billboards
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23 | and controllers for automatic time-relative behaviour.
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24 | */
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25 |
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26 |
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27 | #include "ExampleApplication.h"
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28 | #include "OgreIlluminationManager.h"
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29 |
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30 | float causize = 10;
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31 | float cauintens = 40;
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32 |
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33 | class RaytraceDemoApplication;
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34 |
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35 | // Listener class for frame updates
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36 | class RaytraceDemoListener : public ExampleFrameListener
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37 | {
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38 | protected:
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39 |
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40 | Light* light;
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41 | SceneNode* lightNode;
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42 | SceneNode* sphereNode;
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43 | unsigned long framecount;
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44 | RaytraceDemoApplication* app;
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45 |
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46 | public:
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47 | RaytraceDemoListener(RenderWindow* window, Camera* maincam,SceneNode* lightNode, SceneNode* sphereNode, Light* l, RaytraceDemoApplication* app)
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48 | :ExampleFrameListener(window, maincam)
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49 |
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50 | {
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51 | framecount = 0;
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52 | this->sphereNode = sphereNode;
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53 | this->lightNode = lightNode;
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54 | light = l;
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55 | this->app = app;
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56 | }
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57 | void setAttr(SceneNode* lightNode, SceneNode* sphereNode, Light* l)
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58 | {
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59 | this->sphereNode = sphereNode;
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60 | this->lightNode = lightNode;
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61 | light = l;
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62 | }
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63 | bool processUnbufferedKeyInput(const FrameEvent& evt)
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64 | {
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65 | if (mInputDevice->isKeyDown(KC_SUBTRACT))
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66 | {
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67 | Vector3 lPos = lightNode->getPosition();
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68 | Vector3 lDir = sphereNode->getPosition() - lPos;
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69 | lDir.normalise();
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70 | lPos -= lDir;
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71 | lightNode->setPosition(lPos);
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72 | light->setDirection(lDir);
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73 | }
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74 | if (mInputDevice->isKeyDown(KC_ADD))
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75 | {
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76 |
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77 | Vector3 lPos = lightNode->getPosition();
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78 | Vector3 lDir = sphereNode->getPosition() - lPos;
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79 | lDir.normalise();
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80 | lPos += lDir;
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81 | lightNode->setPosition(lPos);
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82 | light->setDirection(lDir);
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83 | }
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84 | if (mInputDevice->isKeyDown(KC_MULTIPLY))
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85 | {
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86 | Vector3 lPos = lightNode->getPosition();
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87 | Vector3 lDir = sphereNode->getPosition() - lPos;
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88 | lDir.normalise();
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89 | Vector3 right = lDir.crossProduct(Vector3(0,1,0));
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90 | Vector3 up = lDir.crossProduct(right);
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91 | lPos += up,
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92 | lightNode->setPosition(lPos);
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93 | light->setDirection(lDir);
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94 | }
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95 | if (mInputDevice->isKeyDown(KC_DIVIDE))
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96 | {
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97 | Vector3 lPos = lightNode->getPosition();
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98 | Vector3 lDir = sphereNode->getPosition() - lPos;
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99 | lDir.normalise();
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100 | Vector3 right = lDir.crossProduct(Vector3(0,1,0));
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101 | Vector3 up = lDir.crossProduct(right);
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102 | lPos -= up,
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103 | lightNode->setPosition(lPos);
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104 | light->setDirection(lDir);
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105 |
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106 | }
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107 | if (mInputDevice->isKeyDown(KC_HOME))
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108 | {
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109 | Vector3 lPos = lightNode->getPosition();
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110 | Vector3 lDir = sphereNode->getPosition() - lPos;
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111 | lDir.normalise();
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112 | Vector3 right = lDir.crossProduct(Vector3(0,1,0));
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113 | Vector3 up = lDir.crossProduct(right);
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114 | lPos += right,
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115 | lightNode->setPosition(lPos);
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116 | light->setDirection(lDir);
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117 | }
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118 | if (mInputDevice->isKeyDown(KC_END))
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119 | {
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120 | Vector3 lPos = lightNode->getPosition();
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121 | Vector3 lDir = sphereNode->getPosition() - lPos;
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122 | lDir.normalise();
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123 | Vector3 right = lDir.crossProduct(Vector3(0,1,0));
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124 | Vector3 up = lDir.crossProduct(right);
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125 | lPos -= right,
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126 | lightNode->setPosition(lPos);
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127 | light->setDirection(lDir);
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128 |
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129 | }
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130 | return ExampleFrameListener::processUnbufferedKeyInput(evt);
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131 | }
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132 |
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133 | bool frameStarted(const FrameEvent& evt);
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134 |
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135 |
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136 | };
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137 |
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138 | /** Application class */
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139 | class RaytraceDemoApplication : public ExampleApplication
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140 | {
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141 |
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142 | public:
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143 |
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144 | void setupScene()
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145 | {
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146 | // Skybox
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147 | mSceneMgr->setSkyBox(true, "Examples/EveningSkyBox");
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148 |
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149 | SceneNode* rootNode = mSceneMgr->getRootSceneNode();
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150 |
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151 | Entity* sphere = mSceneMgr->createEntity("sphere", "head.mesh");
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152 |
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153 | // Material* mat = (Material*) MaterialManager::getSingleton().getByName("GTP/Caustic/Glass").getPointer();
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154 | // Material* newMat = mat->clone(mat->getName() + "_new").getPointer();
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155 |
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156 | sphere->setMaterialName("GTP/Caustic/Glass");
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157 | sphereNode = rootNode->createChildSceneNode();
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158 | //sphereNode->setScale(0.1, 0.1, 0.1);//sphere
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159 | sphereNode->setPosition(0, 50, 0);
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160 | sphereNode->attachObject(sphere);
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161 | sphereNode->_updateBounds();
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162 |
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163 | Entity* room = mSceneMgr->createEntity("room", "atlascube.mesh");
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164 | // mat = (Material*) MaterialManager::getSingleton().getByName("TestPlane").getPointer();
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165 | // newMat = mat->clone(mat->getName() + "_new").getPointer();
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166 |
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167 | room->setMaterialName("TestPlane");
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168 | SceneNode *roomNode = rootNode->createChildSceneNode();
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169 | //roomNode->setScale(0.1, 0.1, 0.1);
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170 | roomNode->setPosition(0, 50, 0);
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171 | roomNode->attachObject(room);
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172 |
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173 |
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174 | Light* mainLight = mSceneMgr->createLight("MainLight");
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175 | light = mainLight;
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176 | mainLight->setType(Light::LT_POINT);
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177 | mainLight->setDiffuseColour(ColourValue::White);
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178 | mainLight->setSpecularColour(ColourValue::White);
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179 | mainLightNode = rootNode->createChildSceneNode();
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180 | mainLightNode->setPosition(100,100,0);
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181 | //mainLight->setPosition(mainLightNode->getWorldPosition());
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182 | mainLightNode->attachObject(mainLight);
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183 | BillboardSet* bbs = mSceneMgr->createBillboardSet("bb", 1);
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184 | bbs->setDefaultDimensions(10,10);
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185 | bbs->createBillboard(Vector3::ZERO, ColourValue::White);
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186 | bbs->setMaterialName("Flare");
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187 | mainLightNode->attachObject(bbs);
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188 |
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189 | //createPlane("ground", "TestPlane", Vector3(0,0,0), Vector2(500,500));
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190 | OgreIlluminationManager::getSingleton().initTechniques();
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191 |
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192 | OgreIlluminationManager::getSingleton().setPriority(2);
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193 | mRoot->addFrameListener(&OgreIlluminationManager::getSingleton());
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194 | }
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195 | setFrameListenerAttr()
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196 | {
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197 | ((RaytraceDemoListener*) mFrameListener)->setAttr(mainLightNode, sphereNode, light);
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198 | }
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199 |
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200 |
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201 | protected:
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202 | SceneNode* mainLightNode;
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203 | SceneNode* sphereNode;
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204 |
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205 | void loadResources(void)
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206 | {
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207 | // Initialise, parse scripts etc
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208 | ResourceGroupManager::getSingleton().initialiseResourceGroup("Bootstrap");
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209 | ResourceGroupManager::getSingleton().initialiseResourceGroup("General");
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210 | ResourceGroupManager::getSingleton().initialiseResourceGroup("GTP_Basic");
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211 | ResourceGroupManager::getSingleton().initialiseResourceGroup("PostProc");
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212 | ResourceGroupManager::getSingleton().initialiseResourceGroup("GTP_EnvMap");
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213 | ResourceGroupManager::getSingleton().initialiseResourceGroup("GTP_Caustic");
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214 | }
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215 |
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216 | void createPostproc()
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217 | {
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218 | CompositorManager::getSingleton().addCompositor(mWindow->getViewport(0),
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219 | "GTP/PostProc/Glow");
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220 | CompositorManager::getSingleton().setCompositorEnabled(mWindow->getViewport(0),
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221 | "GTP/PostProc/Glow", true);
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222 |
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223 | CompositorManager::getSingleton().addCompositor(mWindow->getViewport(0),
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224 | "GTP/PostProc/ToneMap");
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225 | CompositorManager::getSingleton().setCompositorEnabled(mWindow->getViewport(0),
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226 | "GTP/PostProc/ToneMap", true);
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227 | }
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228 |
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229 | Light* light;
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230 | void createScene(void)
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231 | {
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232 |
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233 | //createPostproc();
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234 | OgreIlluminationManager::getSingleton().setBlurShadowMap(true);
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235 | OgreIlluminationManager::getSingleton().setUseLISPSM(false);
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236 |
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237 | OgreIlluminationManager::getSingleton().setMainCamera(mCamera);
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238 | OgreIlluminationManager::getSingleton().setMainViewport(mWindow->getViewport(0));
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239 |
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240 | OgreIlluminationManager::getSingleton().setMaxJoinRadius(420);
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241 |
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242 | Root::getSingleton()._setCurrentSceneManager(mSceneMgr);
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243 |
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244 | mCamera->setPosition(0,100,240);
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245 | mCamera->setFOVy(Radian(Degree(80)));
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246 | //mCamera->setFarClipDistance(1000);
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247 | // Set ambient light
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248 | mSceneMgr->setAmbientLight(ColourValue(1, 1, 1));
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249 |
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250 | setupScene();
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251 | }
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252 |
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253 |
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254 | void createPlane(Ogre::String _name, Ogre::String _material, Ogre::Vector3 _pos, Ogre::Vector2 _size, Ogre::Vector2 _subdivisions = Ogre::Vector2(1,1)) {
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255 |
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256 | Plane _plane;
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257 | _plane.normal = Vector3::UNIT_Y;
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258 | _plane.d = 0;
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259 |
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260 |
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261 | MeshManager::getSingleton().createPlane(_name + ".plane",
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262 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
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263 | _plane,_size.x,_size.y,1,1,true,1,_subdivisions.x,_subdivisions.y,Vector3::UNIT_Z);
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264 |
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265 | Entity *_entity = mSceneMgr->createEntity(_name + ".entity", _name + ".plane");
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266 | _entity->setMaterialName(_material);
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267 |
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268 | SceneNode* _node = mSceneMgr->getRootSceneNode()->createChildSceneNode(_name + ".node");
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269 | _node->attachObject(_entity);
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270 | _node->setPosition(_pos);
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271 | }
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272 |
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273 |
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274 |
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275 | void createFrameListener(void)
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276 | {
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277 | // This is where we instantiate our own frame listener
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278 | mFrameListener= new RaytraceDemoListener(mWindow,
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279 | mCamera,
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280 | mainLightNode,
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281 | sphereNode,
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282 | light,
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283 | this
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284 | );
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285 | mFrameListener->setPriority(1);
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286 | mRoot->addFrameListener(mFrameListener);
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287 |
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288 | }
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289 |
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290 | };
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291 |
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292 |
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293 |
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294 |
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295 |
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296 |
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